CN106264886B

CN106264886B - Baby pants

Info

Publication number: CN106264886B
Application number: CN201610588874.2A
Authority: CN
Inventors: 陈治江
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-25
Filing date: 2016-07-25
Publication date: 2021-11-23
Anticipated expiration: 2036-07-25
Also published as: CN106264886A

Abstract

The invention relates to infant trousers, which comprise a thigh wrapping area, a shank wrapping area and a knee elastic area, wherein the thigh wrapping area and the shank wrapping area are respectively connected with the knee elastic area; the middle parts of the thigh wrapping area, the shank wrapping area and the knee elastic area are provided with waterproof areas; and magic tapes matched with each other are arranged at the two ends of the thigh wrapping area, the shank wrapping area and the knee elastic area. The infant trousers provided by the invention are used in cooperation with the open-seat trousers, when in use, the thigh wrapping area, the shank wrapping area and the knee elastic area are respectively fixed at the corresponding positions of the open-seat trousers of the infant through the magic tapes, the lower part of the open-seat trousers of the infant is sealed, when the infant urinates, urine can flow downwards along the waterproof area, so that the open-seat trousers of the infant are prevented from being wetted by the urine, the infant trousers have fewer structural layers and better air permeability, the infant is convenient to move, the crotch and the hip are not easy to wet and red, the infant is not easy to suffer from eczema, and the healthy development of the genital organs of the infant is facilitated.

Description

Baby pants

Technical Field

The invention relates to the technical field of infant clothes, in particular to infant trousers.

Background

The paper diaper is a common article for infants, and the existing infant paper diaper on the market usually absorbs urine by using a super-high polymer absorption material, and the absorption material is covered by a non-woven fabric and a PE film to prevent urine leakage, so that the diaper is used in a mode of being wrapped on the crotch and the hip of the infant. Chinese patent publication No. CN104706470A discloses a baby diaper, which comprises: the paper diaper comprises a paper diaper body, wherein the paper diaper body comprises a bottom layer, an absorption layer, a conduction layer and a surface layer, the surface layer is made of non-woven fabric materials, the conduction layer is made of wrinkle non-woven fabric, fluff pulp and super-high polymer absorption resin are arranged in the absorption layer, the bottom layer comprises a non-woven fabric layer and a PE (polyethylene) film, a waistband is arranged on the upper portion of the paper diaper body, and the waistband is disconnected at the left side and the right side.

The paper diaper has more structural layers and thicker structure, and when the baby starts to crawl slowly and learn to walk after growing to 6 to 7 months, the thick paper diaper or paper diaper is clamped by the crotch part, so that the paper diaper is inconvenient; particularly, in summer, the paper diaper has more structural layers, so that the air permeability is poor, the paper diaper is wrapped on the buttocks and the crotch of a baby, the temperature and the humidity on the buttocks and the crotch of the baby are relatively high, the crotch and the buttocks of the baby are easy to wet red, the baby is easy to suffer from eczema, and the healthy development of genitals of the baby is not facilitated.

Disclosure of Invention

Accordingly, the present invention provides an infant pants to solve the above-mentioned problems.

The technical scheme of the invention is as follows: the infant trousers comprise a thigh wrapping area, a shank wrapping area and a knee elastic area, wherein the thigh wrapping area and the shank wrapping area are respectively connected with the knee elastic area; the middle parts of the thigh wrapping area, the shank wrapping area and the knee elastic area are provided with waterproof areas; and magic tapes matched with each other are arranged at the two ends of the thigh wrapping area, the shank wrapping area and the knee elastic area.

Optionally, an arc-shaped groove is formed in the middle of the top end of the thigh wrapping area.

Optionally, the infant pants further comprise open-crotch pants; the curved groove is provided with a magic tape, and the corresponding position of the open crotch trousers and the curved groove is provided with a magic tape matched with the magic tape on the curved groove.

Optionally, the thigh wrapping area and the calf wrapping area are made of non-woven fabrics; the waterproof area is formed by covering the surfaces of the thigh wrapping area, the shank wrapping area and the knee elastic area with 15-20 g per square meter and a polyethylene film with the pH value of 4-9.

Optionally, a fastening tape is fixed on the inner side of one end of the shank wrapping area, which is not connected with the knee elastic area; the baby pants further comprise a waterproof cover, the waterproof cover is made of waterproof breathable fabric, a fastening tape matched with the fastening tape is arranged at one end of the waterproof cover, and the end area of the other end of the waterproof cover is larger than that of the end with the fastening tape.

Optionally, the waterproof cover is connected with a cover bottom through a waterproof zipper, the cover bottom is in a sole shape, a recess for accommodating a baby foot is formed in the middle of the cover bottom, a first cavity is formed in the cover bottom, first through holes are formed in the periphery of the first cavity, and the first through holes are located at the bottom of the side face of the cover bottom.

Optionally, the recess is connected with a plurality of fixing belts, the fixing belts are woven by expanded rubber strips, and the fixing belts are provided with a plurality of gaps; a second cavity is formed in the side wall of the recess and comprises a second through hole corresponding to the fixing band.

Optionally, fixing device is fixed with humidity transducer, control switch and bee calling organ for the crotch of open crotch trousers, humidity transducer with control switch connects, control switch with bee calling organ connects.

Optionally, the knee elastic area is connected with an air bag through a hook-and-loop fastener, and the air bag is located at a position of the knee elastic area corresponding to the knee.

Optionally, the airbag includes a first airbag and a second airbag, the first airbag is connected to the second airbag, a recess is formed between the first airbag and the second airbag, and the recess is connected to a hook and loop fastener for connecting with a knee elastic region; the second air bag is provided with an inflation port, and the inflation port is positioned on one surface of the second air bag, which is back to the concave part.

Optionally, the knee elastic area is connected with the thigh wrapping area and the shank wrapping area through an auxiliary walking device, and the auxiliary walking device comprises a knee protecting plate, a sliding rod, a guide seat, a first connecting rod, a first cam, a second connecting rod, a third cam, a fourth cam, a first shock absorbing seat, a second shock absorbing seat and a shank rod; the knee protection plate is fixed with the knee elastic area, the knee protection plate is fixed with a guide seat, a slide rod is arranged in the guide seat, one end of the slide rod is fixed with the movable end of an air pump, the other end of the slide rod is hinged with one end of a first connecting rod, the other end of the first connecting rod is hinged with one end of a first cam, the first cam is fixed with a second cam through a first shaft, the first shaft is installed on the knee protection plate through a bearing, one end of the second cam is hinged with one end of a second connecting rod, the other end of the second connecting rod is hinged with one end of a third cam, the third cam is connected with a fourth cam through a spring shaft, the third cam and the fourth cam are respectively installed on a first shock absorption seat and a second shock absorption seat through bearings, the first shock absorption seat comprises a connecting plate and a convex edge hinged with the connecting plate, the convex edge is connected with the connecting plate through a spring, the convex edge is fixed with the outer ring of a bearing of the third cam, the structures of the second shock absorbing seat and the first shock absorbing seat are mirror images, the third cam and the fourth cam are both fixed with a shank rod, and the shank rod is fixed with the shank wrapping area.

Optionally, the material of the calf wrapping area is composed of the following materials in parts by weight: crotonamidopropyl 3-aminobutyltripropoxysilane or crotonamidobutyltripropoxysilane: 50 parts of a mixture; butenoic acid silicone resin: 40 parts of a mixture; epoxy resin crotonate: 70 parts of (B); butenoic acid urethane resin: 80 parts of a mixture; 4-hydroxy-ethyl-phenylbutanone: 10 parts of (A); isobutyl trititanate: 1 part; the coloring layer is composed of the following raw materials in parts by weight: optical fiber coloring ink: 20 parts of (1); isobutyl trititanate: 50 parts of the raw materials.

The infant trousers provided by the invention are used in cooperation with the open-seat trousers, when in use, the thigh wrapping area, the shank wrapping area and the knee elastic area are respectively fixed at the corresponding positions of the open-seat trousers of the infant through the magic tapes, the lower part of the open-seat trousers of the infant is sealed, when the infant urinates, urine can flow downwards along the waterproof area, so that the open-seat trousers of the infant are prevented from being wetted by the urine, the infant trousers have fewer structural layers and better air permeability, the infant is convenient to move, the crotch and the hip are not easy to wet and red, the infant is not easy to suffer from eczema, and the healthy development of the genital organs of the infant is facilitated.

Drawings

FIG. 1 is a schematic view of a pair of infant pants according to the present invention;

FIG. 2 is a schematic view of the present invention showing the use of the infant pants;

FIG. 3 is a schematic view of a waterproof cover for infant pants according to the present invention;

FIG. 4 is a schematic view of the structure of the bottom of the infant pants provided in the present invention;

FIG. 5 is a schematic view of a transverse cross-sectional configuration of a bottom cover of infant pants according to the present invention;

FIG. 6 is a detailed view of the structure of the bottom of the infant trousers according to the present invention;

FIG. 7 is a schematic longitudinal cross-sectional view of the structure of FIG. 6;

FIG. 8 is a schematic view of the construction of an air bag in accordance with aspects of the present invention;

fig. 9 is a schematic structural diagram of the walking assisting device in the scheme of the invention.

Wherein, 11, a thigh wrapping area; 12. a calf-enclosed region; 13. a knee elasticity zone; 14. a water-proof zone; 15. magic tape; 16. an arc-shaped groove; 17. recessing; 18. a first cavity; 19. a first through hole; 20. fixing belts; 21. a void; 22. a second cavity; 23. a second through hole; 24. a first air bag; 25. a second air bag; 27. a recess; 28. an inflation inlet; 400. an auxiliary walking device; 401. knee protection plates; 402. a slide bar; 403. a guide seat; 404. a first link; 405. a first cam; 406. a second cam; 407. a second link; 408. a third cam; 411. a fourth cam; 409. a first shock absorbing base; 410. a second shock absorbing base; 412. a shank rod.

Detailed Description

The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings.

A kind of baby's trousers, refer to fig. 1 and fig. 2 and include thigh wrapping area 11, shank wrapping area 12 and knee elasticity area 13, the knee elasticity area can use the existing elastic material to make, preferably make with the elastic non-woven fabrics with rubber silk in this application, in order to prevent water seepage, knee elasticity area when baby use this baby's trousers, conveniently provide the baby crouch, stand up the movement demand, and have a buffer action to the pulling of the thigh wrapping area when playing, squatting, thus prevent the fixing place of the thigh wrapping area from loosening, the urine flows into along with the loosening place, wet the open-seat trousers; the thigh wrapping area and the shank wrapping area are respectively connected with the knee elastic area; the middle parts of the thigh wrapping area, the shank wrapping area and the knee elastic area are provided with waterproof areas 14; when the trousers are used, the waterproof area is fixed on the inner side of the thighs of the baby, so that urine of the baby flows down along the waterproof area to keep the split trousers dry, and the magic tapes 15 matched with each other are arranged at the two ends of the thigh wrapping area, the shank wrapping area and the knee elastic area to facilitate fixing of the trousers of the baby. The infant trousers are used in cooperation with open-seat trousers, and the middle of the top end of the thigh wrapping area is preferably provided with an arc-shaped groove 16 so as to be matched with the crotch of the open-seat trousers. Thigh parcel district and shank parcel district in this application can use the preparation of waterproof ventilative material to can need not set up waterproof district alone, simple structure and structure only can solve the problem of the wet inside open crotch trousers of urine with the one deck, and ventilative good, can also reduce the cost. Specifically, the thigh wrapping area and the shank wrapping area can be made of non-woven fabrics; the waterproof area is formed by covering the surfaces of the thigh wrapping area, the calf wrapping area and the knee elastic area with 15-20 g per square meter and a polyethylene film with the pH value of 4-9. The structure is simple and durable. The upper part of the baby trousers can be provided with two layers of magic tapes which are matched in parallel for use, the trousers are mainly used in cold days and used for wearing multi-layer trousers, namely, a pair of magic buckles at the inner layer are fixed on the surface of the trousers worn by a baby in a body-sticking way, and a group of magic tapes at the outer layer are fixed on the surface of the trousers worn by the baby in an outside way; the single-layer magic tape is mainly used in hot days.

The infant trousers provided by the invention are used in cooperation with the open-seat trousers, when in use, the thigh wrapping area, the shank wrapping area and the knee elastic area are respectively fixed at the corresponding positions of the open-seat trousers of the infant through the magic tapes, the lower part of the open-seat trousers of the infant is sealed, when the infant urinates, urine flows downwards along the waterproof area, so that the open-seat trousers of the infant are prevented from being wetted by the urine, the infant trousers have fewer structural layers and better air permeability, the action of the infant is convenient, the crotch part and the hip part are not easy to wet and red, the infant is not easy to suffer from eczema, and the healthy development of the genital organ of the infant is facilitated, so that the infant can learn to walk, develop and grow comfortably, parents can also avoid the trouble that the infant urinates to wash the trousers anytime and anywhere, and the infant trousers are economic, convenient and worry-saving, and the following are the specific advantages of the infant trousers provided by the invention:

1. has the characteristics of lightness, thinness, economy and the like. The baby can learn to walk gently and loosely, and grow healthily.

2. The baby diaper is wrapped on the legs of a baby, so that the butt and the crotch of the baby are not bound, and parents can not worry about the influence on the development of genitals due to the fact that the butt of the baby is not breathable any more.

3. Under the condition that the buttocks and the crotch of the baby fully enjoy the nature, parents can not always wet the trousers for the baby, and particularly the baby who learns to walk in cold days can easily wet the trousers, so that the change and the washing are very inconvenient, and the change and the washing are easy to catch a cold.

In actual production, general open crotch trousers go up not to have the magic subsides of being connected with the baby trousers of this application, want to use the baby trousers of this application, must carry out secondary operation to current open crotch trousers, not only waste time and energy, but also probably changed original design style, influence the whole effect of wearing of open crotch trousers, for this reason, when producing baby trousers, with open crotch trousers as a part of baby trousers, at baby trousers set up the magic subsides on the arc recess, open crotch trousers with the relevant position of arc recess set up with magic subsides complex magic subsides on the arc recess, the baby trousers of producing like this, the position that the magic was pasted all corresponds, and is fixed more convenient.

Preferably, a fastening tape is fixed on the inner side of one end of the shank wrapping area, which is not connected with the knee elastic area; the pair of baby pants further comprises a waterproof cover, and referring to fig. 3, the waterproof cover is made of waterproof breathable fabric, the fastening tape 15 matched with the fastening tape is arranged at one end of the waterproof cover, the end part area of the other end of the waterproof cover is larger than that of the end part of the end with the fastening tape, the waterproof cover can be sleeved on the shoes when the pair of baby pants is used, accordingly, the shoes are prevented from being wetted when urine flows downwards, the end part area of the other end of the waterproof cover is larger than that of the end part of the end with the fastening tape, and accordingly a pleated skirt effect can be formed, the pair of baby pants is more attractive to wear and is more popular with babies. Referring to fig. 4 and 5, the waterproof cover is preferably further connected with a cover bottom through a waterproof zipper, the cover bottom is in a shape of a sole to adapt to the shape of the infant foot, a recess 17 for accommodating the infant foot is formed in the middle of the cover bottom, a first cavity 18 is formed in the cover bottom, first through holes 19 are formed in the periphery of the first cavity, and the first through holes are located at the bottom of the side face of the cover bottom. Through setting up the cover end, can save the trouble of wearing, taking off shoes for the baby, directly place baby's foot in the pit, draw waterproof zip fastener can, both can prevent urine wet shoes, it is still convenient to use. The cover bottom material can use rubber, the first cavity inside the cover bottom and the periphery of the first cavity are matched through first through holes, when a baby walks, the first cavity and the first through holes are compressed after feet fall to the ground, when the feet are lifted, liquid around the cover body is absorbed by suction force when the first cavity and the first through holes recover shapes, the feet fall to the ground to enable the liquid in the first cavity and the first through holes to be extruded out, so that the baby can be prevented from swinging up and polluting clothes after urine flows to the feet, the first through holes are located at the bottom of the side face of the cover bottom, and the first through holes can be prevented from being blocked by the dirty ground when located at the bottom face of the cover bottom to enable the first through holes to lose effects. Referring to fig. 6 and 7, in order to facilitate the fixing, a plurality of fixing bands 20 are connected to the depressions, the fixing bands are woven by expanded rubber strips, a plurality of gaps 21 are formed in the fixing bands to facilitate ventilation, and in addition, as the expanded rubber strips absorb water and expand, gaps are formed to leave expansion spaces for the expanded rubber strips, and the expanded rubber strips refer to strip-shaped objects made of expanded rubber; the side wall of the recess is provided with a second cavity 22, the second cavity comprises a second through hole 23 corresponding to the fixing band, wherein the correspondence is that the correspondence in number is one-to-one correspondence or the fixing band corresponds to the second through hole in integer proportion in number, the second through hole corresponds to the fixing band in position, so that gas can be blown to the fixing band when the second through hole is air out, when the baby foot fixing band is used, the baby foot fixing band can be used for fixing the baby foot, the baby foot is prevented from being separated from the recess, the small expansion adhesive tape expands when meeting water, sweat which is not timely discharged out of the cover body during the movement of the baby can be absorbed, the baby foot is kept dry, in order to match with heat dissipation, the air flow generated in the process that the second cavity and the second through hole are compressed and expanded in the movement faces the fixing band, the liquid absorbed by the fixing band is easy to become gas, the convenience is achieved, and the fixing band can be timely recovered to the state before water absorption, prevent that the fixed band from absorbing water and blocking the space to influence the perspiration at the fixed band.

In hot summer, baby crotch sweat is not in time discharged, can cause baby crotch damp and hot to save, is unfavorable for the healthy development of baby, and the adult can not experience the change of baby crotch damp and hot in real time because multiple reason yet to in time discover this kind of situation, for this reason, the fixing device is fixed with humidity transducer, control switch and bee calling organ for the crotch of open crotch trousers, humidity transducer with control switch connects, control switch with bee calling organ connects, and like this, start control switch control bee calling organ and report to the police when humidity transducer detects baby crotch humidity too high, in time remind the adult to take measures, prevents that baby crotch damp and hot to save the healthy development that influences the baby.

When a baby walks, the baby often falls down, and as is well known, the knee is an important part for supporting walking of people, once the knee is injured, a light person cannot walk and a heavy person cannot stand up, so that in order to protect the knee of the baby, the knee elastic area is connected with an air bag through a magic tape, and the air bag is positioned at the part, corresponding to the knee, of the knee elastic area. Specifically, as shown in fig. 8, the airbag includes a first airbag 24 and a second airbag 25, the first airbag is connected with the second airbag, a recess 27 is formed between the first airbag and the second airbag, and the recess is connected with a hook and loop fastener 15 for connecting with a knee elastic region; the second airbag has an inflation opening 28, which is located on the side of the second airbag facing away from the recess. When the air bag is used, the air bag can be fixed at the position, corresponding to the knee, of the knee elastic area through the magic tape, and the knee of the baby is positioned in the concave part of the air bag, so that the air bag can be prevented from deviating in the using process, and the effect of protecting the knee cannot be achieved; when the foldable air bag is not used, the air bag can be conveniently detached, and the air bag is divided into the first air bag and the second air bag by the concave part, so that people can conveniently hold the first air bag or the second air bag to deflate, the air bag is prevented from dropping and being dirtied, and the air bag can be folded along the concave part when being deflated, so that the steps of folding after being deflated are reduced, and the folding and unfolding speed is high; the inflation inlet is located the one side of second gasbag dorsad the concave part can prevent that the knee from pressing on the inflation inlet when the baby falls over, hurts the baby.

Preferably, referring to fig. 9, the knee elastic region is connected to the thigh wrapping region and the calf wrapping region through an auxiliary walking device 400, and the auxiliary walking device 400 includes a knee protecting plate 401, a sliding rod 402, a guide seat 403, a first link 404, a first cam 405, a second cam 406, a second link 407, a third cam 408, a fourth cam 411, a first shock absorbing seat 409, a second shock absorbing seat 410, and a calf rod 412;

the knee protection plate 401 is fixed with the knee elastic area, the knee protection plate 401 is fixed with a guide seat 403, a slide rod 402 is arranged in the guide seat 403, one end of the slide rod 402 is fixed with the movable end of an air pump, the other end of the slide rod 402 is hinged with one end of a first connecting rod 404, the other end of the first connecting rod 404 is hinged with one end of a first cam 405, the first cam 405 is fixed with a second cam 406 through a first shaft, the first shaft is installed on the knee protection plate 401 through a bearing, one end of the second cam 406 is hinged with one end of a second connecting rod 407, the other end of the second connecting rod 407 is hinged with one end of a third cam 408, the third cam 408 is connected with a fourth cam 411 through a spring shaft, the third cam 408 and the fourth cam 411 are respectively installed on a first shock absorbing seat 409 and a second shock absorbing seat 410 through bearings, the first shock absorbing seat 409 comprises a connecting plate and a convex edge connected with the hinge, the convex edge is connected with the connecting plate through a spring, the convex edge is fixed with the outer ring of a bearing of the third cam 408, the structures of the second shock absorbing seat 410 and the first shock absorbing seat 409 are mirror images, the third cam 408 and the fourth cam 411 are both fixed with a shank rod 412, and the shank rod 412 is fixed with a shank wrapping area.

The invention drives the slide bar 402 in the guide seat 403 by the reciprocating linear motion of the air pump, the slide bar 402 drives the first cam 405 to rotate through the first connecting rod 404, the first cam 405 drives the second cam 406 to rotate, the second cam 406 drives the third cam 408 to rotate through the second connecting rod 407, the reciprocating rotation of the third cam 408 causes the shank bar 412 to drive the shank wrapping area to rotate in a reciprocating manner, thereby being capable of assisting the posture of the baby to learn walking, and being capable of being used as a knee pad by propping against the knee of the baby. The first and second

shock absorbing seats

409 and 410 can adaptively bend the shank rod to the outside or the inside, thereby driving the baby's shank to walk more flexibly.

Further preferably, the material of the lower leg wrapping area is composed of the following materials in parts by weight:

crotonamidopropyl 3-aminobutyltripropoxysilane or crotonamidobutyltripropoxysilane: 50 parts of a mixture; butenoic acid silicone resin: 40 parts of a mixture;

epoxy resin crotonate: 70 parts of (B);

butenoic acid urethane resin: 80 parts of a mixture;

4-hydroxy-ethyl-phenylbutanone: 10 parts of (A);

isobutyl trititanate: 1 part;

the coloring layer is composed of the following raw materials in parts by weight: optical fiber coloring ink: 20 parts of (1); isobutyl trititanate: 50 parts of the raw materials.

The material of the calf wrapping area can ensure that the calf wrapping area in the infant trousers can realize the hydrophobic effect through the material support, so that the skin of a child cannot cause eczema due to urine wetting, and the calf wrapping area can adapt to the tender skin of the infant to generate adaptive flexible deformation.

The above-described embodiments are merely illustrative of the invention and should not be described in the context of the exemplary embodiments of the description and the figures, which limit the scope of protection of the patent rights.

The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples described above, and various changes can be made within the knowledge of those skilled in the art without departing from the concept of the present invention. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The usage of the words first, second and third, etcetera do not indicate any ordering and these words may be interpreted as names.

Claims

1. The infant trousers are characterized by comprising a thigh wrapping area, a shank wrapping area and a knee elastic area, wherein the thigh wrapping area and the shank wrapping area are respectively connected with the knee elastic area;

the middle parts of the thigh wrapping area, the shank wrapping area and the knee elastic area are provided with waterproof areas;

two ends of the thigh wrapping area, the shank wrapping area and the knee elastic area are respectively provided with magic tapes matched with each other;

the knee elastic area is connected with an air bag through a magic tape, and the air bag is positioned at the part of the knee elastic area corresponding to the knee;

the air bag comprises a first air bag and a second air bag, the first air bag is connected with the second air bag, a concave part is arranged between the first air bag and the second air bag, and the concave part is connected with a magic tape used for being connected with a knee elastic area;

the second air bag is provided with an inflation port, and the inflation port is positioned on one surface of the second air bag, which is back to the concave part;

the knee elastic area is connected with the thigh wrapping area and the shank wrapping area through an auxiliary walking device (400), and the auxiliary walking device (400) comprises a knee protecting plate (401), a sliding rod (402), a guide seat (403), a first connecting rod (404), a first cam (405), a second cam (406), a second connecting rod (407), a third cam (408), a fourth cam (411), a first shock absorbing seat (409), a second shock absorbing seat (410) and a shank rod (412);

the knee protection plate (401) is fixed with the knee elastic area, a guide seat (403) is fixed on the knee protection plate (401), a sliding rod (402) is arranged in the guide seat (403), one end of the sliding rod (402) is fixed with the movable end of an air pump, the other end of the sliding rod (402) is hinged with one end of a first connecting rod (404), the other end of the first connecting rod (404) is hinged with one end of a first cam (405), the first cam (405) is fixed with a second cam (406) through a first shaft, the first shaft is installed on the knee protection plate (401) through a bearing, one end of the second cam (406) is hinged with one end of a second connecting rod (407), the other end of the second connecting rod (407) is hinged with one end of a third cam (408), the third cam (408) is connected with a fourth cam (411) through a spring shaft, and the third cam (408) is connected with the knee elastic area, The fourth cam (411) is respectively installed on a first shock absorbing seat (409) and a second shock absorbing seat (410) through bearings, the first shock absorbing seat (409) comprises a connecting plate and a convex edge hinged with the connecting plate, the convex edge is connected with the connecting plate through a spring, the convex edge is fixed with the outer ring of a bearing of the third cam (408), the structures of the second shock absorbing seat (410) and the first shock absorbing seat (409) are mirror images, a shank rod (412) is fixed on each of the third cam (408) and the fourth cam (411), and the shank rod (412) is fixed with a shank wrapping area;

the material of the shank wrapping area is composed of the following materials in parts by weight:

epoxy resin crotonate: 70 parts of (B);

butenoic acid urethane resin: 80 parts of a mixture;

4-hydroxy-ethyl-phenylbutanone: 10 parts of (A);

isobutyl trititanate: 1 part;

2. The infant pants of claim 1 wherein the top of the thigh-wrapping area is provided with an arcuate groove in the middle of the top.

3. The infant pant of claim 2, further comprising open-crotch pants;

the curved groove is provided with a magic tape, and the corresponding position of the open crotch trousers and the curved groove is provided with a magic tape matched with the magic tape on the curved groove.

4. The infant pant of claim 3, wherein the thigh-wrapping region and the calf-wrapping region are made of non-woven fabric;

the waterproof region is covered by 15-20 g/sq m polyethylene film with pH value of 4-9

Thigh-wrapping area, calf-wrapping area and knee-elastic area.

5. The infant trousers according to any one of claims 1-4, wherein a fastening tape is fixed on the inner side of the end of the calf wrapping area which is not connected with the knee elastic area;

the baby pants further comprise a waterproof cover, the waterproof cover is made of waterproof breathable fabric, a fastening tape matched with the fastening tape is arranged at one end of the waterproof cover, and the end area of the other end of the waterproof cover is larger than that of the end with the fastening tape.

6. The infant pants as claimed in claim 5, wherein the waterproof cover is further connected with a cover bottom through a waterproof zipper, the cover bottom is shaped like a sole, a recess for accommodating the infant foot is formed in the middle of the cover bottom, a first cavity is formed in the cover bottom, first through holes are formed in the periphery of the first cavity, and the first through holes are located at the bottom of the side face of the cover bottom.

7. The pair of baby pants as claimed in claim 6, wherein a plurality of securing straps are connected to the depressions, the securing straps being woven from an expanded rubber strip, the securing straps having a plurality of voids;

a second cavity is formed in the side wall of the recess and comprises a second through hole corresponding to the fixing band.

8. The infant trousers according to claim 3, wherein a humidity sensor, a control switch and a buzzer are fixed to the crotch fixing device of the open-crotch trousers, the humidity sensor is connected to the control switch, and the control switch is connected to the buzzer.